68 200 591 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	710000
B2 =	16685000

Status	Date	User	Residue	Shift
Verified	2015-12-27	Shnobel	F8166E2D2C037A95	13833497
Verified	2023-07-23	Ryan Propper	F8166E2D2C037A95	49750906

History

Date	User	Type	Result
2023-07-23	Ryan Propper	C-LL	F8166E2D2C037A95
2015-12-27	Shnobel	C-LL	F8166E2D2C037A95
2015-12-15	Chuck	NF	no factor from 2^74 to 2^75
2014-05-16	Chuck	NF	no factor from 2^73 to 2^74
2014-05-16	Chuck	NF	no factor from 2^72 to 2^73
2014-05-11	TheJudger	NF-PM1	B1=710000, B2=16685000, E=12
2014-04-09	bayanne	NF	no factor from 2^71 to 2^72
2012-07-28	MadPoo	NF	no factor from 2^70 to 2^71
2012-03-11	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-01-27	Skmz	NF	no factor from 2^68 to 2^69
2010-01-25	Skmz	NF	no factor from 2^67 to 2^68
2010-01-21	Skmz	NF	no factor from 2^66 to 2^67
2010-01-20	tromc	NF	no factor from 2^65 to 2^66
2009-04-12	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-12-08	1997rj7	NF	no factor to 2^64